<?php
header('content-type:text/html;charset=utf-8');
echo '<pre />';
print_r($_REQUEST);
echo '<pre />';

?>
<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<form action="" method="post">


    <input type="text" name="num" value="fuck">
    <br />
    <input type="text" name="pw" value="23333">
    <br />
    <input type="submit" name="提交">
</form>



</body>
</html>
